| > The "biggest" Knowledge Graph is Google, but it is unclear, how much there is actually Semantic Web and how much search, ML, NLP etc.. The second biggest is possibly WikiData, and it is not that small. As to the practical use cases, there are many, but it is the premier way of encoding metadata for search engines: https://schema.org/docs/about.html And the amount of datasets and ontologies that exist is quite vast: - https://lod-cloud.net/dataset - http://obofoundry.org/ - https://www.mediawiki.org/wiki/Wikidata_Query_Service/User_M... I would like to understand what other options you would consider better for these datasets, for the metadata and for the ontologies? I mean if not RDF for web metadata then what? If not semantic web for UK govt data (https://ukparliament.github.io/ontologies/, https://opendatacommunities.org/data_home, https://ckan.publishing.service.gov.uk/dataset?res_format=RD..., https://ckan.publishing.service.gov.uk/dataset?res_format=SP...) then what? It would be nice to have something even better, but I much prefer RDF to a bunch of CSV files. |